package com.my.bookstore.exception;

/**
 * Created by YJH on 2017/7/17 22:16.
 */
public class DBException extends RuntimeException{

    private static final long serialVersionUID = 1L;

    public DBException() {
    }

    public DBException(String msg) {
        super(msg);
    }

    public DBException(String msg, Exception ex) {
        super(msg, ex);
    }

}
